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ovl: fix memory leak on unlink of indexed file

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commit 63e1325280 upstream.

The memory leak was detected by kmemleak when running xfstests
overlay/051,053

Fixes: caf70cb2ba ("ovl: cleanup orphan index entries")
Cc: <stable@vger.kernel.org> # v4.13
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Amir Goldstein 2018-09-18 16:34:31 +03:00 committed by Greg Kroah-Hartman
parent be40643473
commit 8d75ecc13f
1 changed files with 2 additions and 1 deletions
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3
fs/overlayfs/util.c
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@ -438,7 +438,7 @@ static void ovl_cleanup_index(struct dentry *dentry)
struct dentry *upperdentry = ovl_dentry_upper(dentry);
struct dentry *index = NULL;
struct inode *inode;
struct qstr name;
struct qstr name = { };
int err;
err = ovl_get_index_name(lowerdentry, &name);
@ -477,6 +477,7 @@ static void ovl_cleanup_index(struct dentry *dentry)
goto fail;
out:
kfree(name.name);
dput(index);
return;